The contest challenged students choose the goal for the next
NASA outer solar system mission. Students could pick between
Saturn’s moon, Titan, or Jupiter’s moon, Europa as the target for
the mission. They were asked to defend their choice based on its
scientific value.

The winning essays will be posted shortly. Winning classes will
be invited to take part in a teleconference with NASA scientists.
Judges complemented Leung “articulate prose and sound scientific
zeal” in
their announcement of the award.